CN216787542U - Inner double-cavity sound insulation wall assembly system with S-shaped framework - Google Patents
Inner double-cavity sound insulation wall assembly system with S-shaped framework Download PDFInfo
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- CN216787542U CN216787542U CN202220156892.4U CN202220156892U CN216787542U CN 216787542 U CN216787542 U CN 216787542U CN 202220156892 U CN202220156892 U CN 202220156892U CN 216787542 U CN216787542 U CN 216787542U
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Abstract
The utility model discloses an inner double-cavity sound insulation wall assembly system with an S-shaped framework, which comprises a first sound insulation fiber cement plate, a second sound insulation fiber cement plate, a sound insulation composite plate and a bidirectional keel, wherein a first sound insulation cavity is arranged between the first sound insulation fiber cement plate and the sound insulation composite plate, a second sound insulation cavity is arranged between the second sound insulation fiber cement plate and the sound insulation composite plate, and the sound insulation cavity can be filled with sound insulation fireproof materials. The bidirectional keel is provided with a first U-shaped connecting and supporting end and a second U-shaped connecting and supporting end, and a first clamping groove and a second clamping groove are formed in the joint of the first U-shaped connecting and supporting end and the second U-shaped connecting and supporting end. The utility model combines the advantages of the multilayer keel and the single-layer keel, optimizes the symmetrical opening of the single-layer keel to be a bidirectional opening under the condition of keeping the double-cavity structure, achieves the effect of the multilayer keel sound insulation wall body, has the finishing surface equivalent to a single-layer keel sound insulation wall body, can optimize the sound insulation structure of the wall body, saves materials and simplifies the working procedures.
Description
Technical Field
The utility model relates to a sound insulation wall, in particular to an inner double-cavity sound insulation wall assembly system with an S-shaped framework.
Background
The existing indoor light steel keel sound insulation wall mainly uses traditional C and U-shaped keel walls, and can be divided into a multi-layer keel structure and a single-layer keel structure according to the installation characteristics of the traditional C and U-shaped keel walls. In order to ensure that the structure of the wall meets the sound insulation requirement, the multilayer keel and single-layer keel sound insulation wall body has the following characteristics:
multilayer fossil fragments wall body: the inner double cavities or the multiple cavities are formed by using multiple layers or double layers of keel, the sound insulation requirements are met by combining multiple layers of panel materials and sound insulation filling materials, the keels on the two sides are generally in staggered and asymmetric arrangement when being arranged, the staggered arrangement of the filling materials is facilitated, the sound bridge can be blocked to prevent sound transmission, and the sound insulation requirements are better under the ideal state. The disadvantages are large thickness of finished surface, more materials and manpower used and high cost.
The single-layer keel wall body: the single-layer keel is combined with a multi-layer panel material and a single-layer sound insulation filling material to meet the sound insulation requirement, the keel is generally a one-way opening formed inner single cavity, flanges on two sides are symmetrical (such as C-shaped or U-shaped), the single-layer keel of a part of optimized keel can also form double cavities, and the flanges on two sides are in one-way symmetry as the single-layer single cavity keel. The single-cavity structure is not beneficial to staggered joint arrangement of filling materials in installation, the unidirectional symmetrical flange structures on two sides are not beneficial to damping consumption of sound wave conduction, and sound leaping and sound transmission are easily caused in installation gaps of materials of all layers. Despite the use of multiple layers of material to fill the enclosure, structural deficiencies determine the shortcomings of conventional single-layer keel walls for sound insulation applications.
The existing sound insulation wall is mostly unreasonable in structure, multiple in material procedures, large in management difficulty, high in manufacturing cost and excessive in social resource waste.
The wall structure is favorable for sound insulation, and the sound insulation wall body with the single-layer double-cavity asymmetric flange as the framework structure is provided by combining the advantages of dislocation of the multi-layer keel and double cavities of the single-layer keel, so that the sound insulation structure of the wall body is improved, materials are saved, the working procedures are optimized, the effect and the application effect are improved, and the benefits and the social resources are improved.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects and shortcomings in the prior art, the utility model aims to provide an inner double-cavity sound insulation wall assembly system with an S-shaped framework.
The purpose of the utility model is realized by the following technical scheme: an inner double-cavity sound insulation wall assembly system with an S-shaped framework comprises a first sound insulation fiber cement plate, a second sound insulation fiber cement plate, a sound insulation composite plate and a bidirectional keel, a first sound insulation cavity is arranged between the first sound insulation fiber cement board and the sound insulation composite board, a second sound insulation cavity is arranged between the second sound insulation fiber cement board and the sound insulation composite board, the bidirectional keel is provided with a first U-shaped connecting and supporting end and a second U-shaped connecting and supporting end, a first clamping groove and a second clamping groove are arranged at the joint of the first U-shaped connecting and supporting end and the second U-shaped connecting and supporting end, the first U-shaped connecting and supporting end is arranged in the first sound-insulating cavity and is connected with the first sound-insulating fiber cement board in a supporting way, the second U-shaped connecting and supporting end is arranged in the second sound insulation cavity and is connected with the second sound insulation fiber cement board in a supporting mode, and one end of the sound insulation composite board is embedded into the first clamping groove or the second clamping groove to be fixed.
The thickness of the first sound insulation fiber cement plate is 8 mm-12 mm, the thickness of the filling layer in the first sound insulation cavity and the second sound insulation cavity is 50mm, and the thickness of the second sound insulation fiber cement plate is 8 mm-12 mm. The total thickness of the installed sound-proof wall is 134 mm-142 mm, and the sound-proof composite board is formed by compounding a 9.5mm fiber cement board, a calcium silicate board, a gypsum board or a glass magnesium board and non-woven fabrics with 0.2 mm-0.25 mm on two sides. All be equipped with the pipeline preformed hole on first U-shaped joint support end and the second U-shaped joint support end, the pipeline preformed hole is favorable to the line of walking that the pipeline hides to be arranged, avoids back trompil hole to cause the destruction to fossil fragments, and the interval modulus accords with the commonly used range of arranging of line box socket in the human engineering indoor decoration. The aperture of the pipeline preformed hole is 28mm, and the distance is 400 mm.
The assembly system of the S-shaped framework and the inner double-cavity sound insulation wall further comprises an edge keel, wherein two ends of the first sound insulation fiber cement plate, the second sound insulation fiber cement plate and the sound insulation composite plate are respectively connected to the edge keel, the edge keel is provided with a third U-shaped connecting and supporting end and a fourth U-shaped connecting and supporting end, a third clamping groove is formed in the joint of the third U-shaped connecting and supporting end and the fourth U-shaped connecting and supporting end, the third U-shaped connecting and supporting end is arranged in the first sound insulation cavity and is in supporting connection with the first sound insulation fiber cement plate, the fourth U-shaped connecting and supporting end is arranged in the second sound insulation cavity and is in supporting connection with the second sound insulation fiber cement plate, and the end of the sound insulation composite plate is embedded into the third clamping groove to be fixed. When the bidirectional keel is used as a transverse sound insulation wall, the bidirectional keel is used as a transverse connecting keel, and the distance is changed along with the change of the height modulus of the sound insulation composite board. The end parts of the two sides of the concrete wall body are supported by using side keels, and the upper part and the lower part of the concrete wall body are connected with groove keels.
The improved assembly system of the inner double-cavity sound insulation wall with the S-shaped framework further comprises a groove keel, wherein two ends of the first sound insulation fiber cement plate, the second sound insulation fiber cement plate and the sound insulation composite plate are respectively connected to the groove keel, two ends of the groove keel are respectively bent to form horizontal supporting ends, and the two horizontal supporting ends are respectively connected to the first sound insulation fiber cement plate and the second sound insulation fiber cement plate. The two-way keel is used as a vertical sound insulation wall and is arranged at a distance of 610mm or 407 mm.
As an improvement of the inner double-cavity sound insulation wall assembly system with the S-shaped framework, at least one V-shaped groove is formed in the middle of the groove keel at intervals, a first sound insulation rubber strip is arranged in the V-shaped groove, and the groove keel is fixedly installed on a concrete floor through expansion bolts.
As an improvement of the inner double-cavity sound insulation wall assembly system with the S-shaped framework, the edges of the ends of the concrete floor slab, which are butted with the first sound insulation fiber cement plate and the second sound insulation fiber cement plate, are sealed by neutral silicone sealant.
As an improvement of the inner double-cavity sound insulation wall assembly system with the S-shaped framework, the edges of the end parts of the concrete wall body, which are butted with the first sound insulation fiber cement plate and the second sound insulation fiber cement plate, are sealed by neutral silicone sealant, and a second sound insulation adhesive tape is arranged between the edge keel and the concrete wall body.
As an improvement of the inner double-cavity sound insulation wall assembly system with the S-shaped framework, sound insulation cotton is filled in the first sound insulation cavity and the first sound insulation cavity.
As an improvement of the assembly system of the inner double-cavity sound insulation wall with the S-shaped framework, the first sound insulation fiber cement plate is fixed on the first U-shaped connecting and supporting end through a countersunk head screw, and the second sound insulation fiber cement plate is fixed on the second U-shaped connecting and supporting end through a countersunk head screw.
As an improvement of the assembly system of the S-shaped framework type inner double-cavity sound insulation wall, a first sound insulation fiber cement plate is fixed on the third U-shaped connecting and supporting end through countersunk screws, and a second sound insulation fiber cement plate is fixed on the fourth U-shaped connecting and supporting end through countersunk screws.
As an improvement of the assembly system of the inner double-cavity sound insulation wall with the S-shaped framework, two horizontal support ends are respectively and fixedly connected to the first sound insulation fiber cement plate and the second sound insulation fiber cement plate through countersunk screws.
The utility model has the beneficial effects that: the utility model is beneficial to improving functions, optimizing the structure and reducing the cost, can save materials, optimize working procedures, save energy, reduce emission, improve the effect and the application effect in application and achieve the purpose of improving benefits.
The utility model combines the advantages of the multilayer keel and the single-layer keel, optimizes the multilayer keel to be a single layer and optimizes the symmetrical opening of the single-layer keel to be a bidirectional opening under the condition of keeping the double-cavity structure, and the finished surface is equivalent to a single-layer keel sound insulation wall under the condition of achieving the effect of the multilayer keel sound insulation wall. The thickness and type of the sound insulation board and the density of the sound insulation cotton are different according to sound insulation requirements, and the structural finish surface is 134 mm-142 mm.
The S-shaped bidirectional opening keel support is used as a foundation, a single-layer keel double-cavity structure is provided, two sides of the keel are in asymmetric structures, and the filling layer and the sound insulation panel are combined to facilitate multi-layer reflection, absorption, shielding, consumption and shock absorption of sound waves in structural design, so that the high-efficiency acoustic sound insulation requirement is finally met.
The wall structure provided by the utility model is provided with bidirectional directional holes, can interrupt and weaken the transmission path of sound wave vibration, and is used as a hole reservation design of a pipeline.
The bidirectional keel with the bidirectional opening of the main section bar is a transverse and vertical universal part and can be used as a middle vertical supporting keel and a transverse connecting keel at the same time. Through fossil fragments and both sides sound insulation panel mechanical fastening, middle part and sound insulation panel buckle interlock, the structure both sides form "covering effect", and the middle part forms and supports the reinforcing.
The utility model is beneficial to the multilayer reflection, absorption, shielding, consumption and shock absorption of sound waves in the structural design, and the sound insulation function of the wall structure is excellent.
The utility model combines the advantages of the multilayer keel and the single-layer keel, and has small structural finish surface and excellent sound insulation effect. Set up the preformed hole on the two-way fossil fragments, can be interrupted and the transmission route of weakening sound wave vibrations, increase propagation path's acoustic energy consumption, improve the sound insulation volume, avoid back trompil hole to cause the destruction to the fossil fragments as pipeline preformed hole simultaneously.
Drawings
Figure 1 is a perspective view of the bi-directional keel of the utility model;
figure 2 is a cross-sectional view of the bidirectional keel of the utility model;
figure 3 is a cross-sectional view of the edge runner of the present invention;
figure 4 is a cross-sectional view of the channel runner of the present invention;
FIG. 5 is a schematic view of the transverse mounting structure of the bi-directional keel of the present invention;
FIG. 6 is a schematic view of the vertical bottom mounting structure of the bidirectional keel of the present invention;
FIG. 7 is a schematic view of the vertical top mounting structure of the bi-directional keel of the present invention;
FIG. 8 is an enlarged view at A in FIG. 7;
the reference signs are: 1-a first sound-insulation fiber cement plate 2-a second sound-insulation fiber cement plate 3-a sound-insulation composite plate 4-a two-way keel 5-a first sound-insulation cavity 6-a second sound-insulation cavity 7-a pipeline preformed hole 8-an edge keel 9-a groove keel 10-a concrete wall 11-a concrete floor 12-a neutral silicone sealant 13-soundproof cotton 14-a countersunk screw 41-a first U-shaped connecting and supporting end 42-a second U-shaped connecting and supporting end 43-a first clamping groove 44-a second clamping groove 81-a third U-shaped connecting and supporting end 82-a fourth U-shaped connecting and supporting end 83-a third clamping groove 84-a second sound-insulation rubber strip 91-a horizontal supporting end 92-a V-shaped groove 93-a first sound-insulation rubber strip 94-an expansion bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of the technical solutions by those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1-8, an assembly system of an S-shaped framework for an inner double-cavity sound-insulation wall comprises a first sound-insulation fiber cement board 1, a second sound-insulation fiber cement board 2, a sound-insulation composite board 3 and a two-way keel 4, wherein a first sound-insulation cavity 5 is arranged between the first sound-insulation fiber cement board 1 and the sound-insulation composite board 3, a second sound-insulation cavity 6 is arranged between the second sound-insulation fiber cement board 2 and the sound-insulation composite board 3, the two-way keel 4 is provided with a first U-shaped connection support end 41 and a second U-shaped connection support end 42, a first clamping groove 43 and a second clamping groove 44 are arranged at the joint of the first U-shaped connection support end 41 and the second U-shaped connection support end 42, the first U-shaped connection support end 41 is arranged in the first sound-insulation cavity 5 and supports and connects the first sound-insulation fiber cement board 1, the second U-shaped connection support end 42 is arranged in the second sound-insulation cavity 6 and supports and connects the second sound-insulation fiber cement board 2, one end of the sound-proof composite board 3 is embedded and fixed in the first clamping groove 43 or the second clamping groove 44.
The thickness of the first sound insulation fiber cement plate is 8 mm-12 mm, the thickness of the filling layers in the first sound insulation cavity 5 and the first sound insulation cavity 6 is 50mm, and the thickness of the second sound insulation fiber cement plate is 8 mm-12 mm. The total thickness of the installed sound-proof wall is 134 mm-142 mm, and the sound-proof composite board is formed by compounding a 9.5mm fiber cement board, a calcium silicate board, a gypsum board or a glass magnesium board and non-woven fabrics with 0.2 mm-0.25 mm on two sides. All be equipped with the pipeline preformed hole on first U-shaped joint support end and the second U-shaped joint support end, the pipeline preformed hole is favorable to the line of walking that the pipeline hides to be arranged, avoids back trompil hole to cause the destruction to fossil fragments, and the interval modulus accords with the commonly used range of arranging of line box socket in the human engineering indoor decoration. The aperture of the pipeline preformed hole is 28mm, and the distance is 400 mm. All be equipped with pipeline preformed hole 7 on first U-shaped connection support end 41 and the second U-shaped connection support end 42, pipeline preformed hole 7 is favorable to the line arrangement of walking that the pipeline hides, avoids back trompil hole to cause the destruction to fossil fragments, and the interval modulus accords with the commonly used range of arranging of line box socket in the human engineering indoor design.
As shown in fig. 5, when the bidirectional keel 4 is used for installing a transverse sound insulation wall board, the bidirectional keel further comprises an edge keel 8, the first sound insulation fiber cement board 1, the second sound insulation fiber cement board 2 and the sound insulation composite board 3 are connected to the edge keel 8 at two ends respectively, the edge keel 8 is provided with a third U-shaped connection support end 81 and a fourth U-shaped connection support end 82, a third clamping groove 83 is arranged at the joint of the third U-shaped connection support end 81 and the fourth U-shaped connection support end 82, the third U-shaped connection support end 81 is arranged in the first sound insulation cavity 5 and is in support connection with the first sound insulation fiber cement board 1, the fourth U-shaped connection support end 82 is arranged in the second sound insulation cavity 6 and is in support connection with the second sound insulation fiber cement board 2, and the end of the sound insulation composite board 3 is embedded and fixed in the third clamping groove 83. When the bidirectional keel 4 is used as a transverse sound insulation wall, the bidirectional keel is used as a transverse keel, and the distance is changed along with the change of the height modulus of the sound insulation composite board 3. The end parts of the two sides of the concrete wall 10 are supported by the side keels 8, and the upper part and the lower part of the concrete wall 10 are connected with the groove keels 9.
As shown in fig. 6, 7 and 8, when the bidirectional keel 4 is used for installing the vertical sound insulation wall board, the bidirectional keel further comprises a groove keel 9, two ends of the first sound insulation fiber cement board 1, the second sound insulation fiber cement board 2 and the sound insulation composite board 3 are respectively connected to the groove keel 9, two ends of the groove keel 9 are respectively bent to form a horizontal support end 91, and the two horizontal support ends 91 are respectively connected to the first sound insulation fiber cement board 1 and the second sound insulation fiber cement board 2. The bidirectional keel 4 is used as a vertical keel when being used as a vertical sound insulation wall, and the distance is arranged according to 610mm or 407 mm.
Preferably, the middle part of the channel keel 9 is provided with at least one V-shaped groove 92 at intervals, a first sound insulation rubber strip 93 is arranged in the V-shaped groove 92, and the channel keel 9 is fixedly mounted on the concrete floor 11 through an expansion bolt 94. The expansion bolts 94 are in the specification of phi 8mm multiplied by 65mm, and are arranged in a staggered manner at the interval of 1000 mm.
Preferably, the end edges of the first sound-proof fiber cement board 1 and the second sound-proof fiber cement board 2 butted with the concrete floor 11 are sealed by neutral silicone sealant 12.
Preferably, the end edges of the first sound-insulation fiber cement board 1 and the second sound-insulation fiber cement board 2 butted with the concrete wall 10 are sealed by the neutral silicone sealant 12, and a second sound-insulation adhesive tape 84 is arranged between the edge keel 8 and the concrete wall 10.
Preferably, soundproof cotton 13 is filled in both the first soundproof cavity 5 and the first soundproof cavity 6. The soundproof cotton 13 is made of rock wool, the filling thickness of the rock wool is 50mm, and the density of the rock wool is 40kg/m 3-80 kg/m3。
Preferably, the first soundproof fiber cement sheet 1 is fixed to the first U-shaped joint support end 41 by means of a countersunk screw 14, and the second soundproof fiber cement sheet 2 is fixed to the second U-shaped joint support 42 end by means of a countersunk screw 14.
Preferably, the first soundproof fiber cement sheet 1 is fixed to the third U-shaped joint support end 81 by means of a countersunk screw 14, and the second soundproof fiber cement sheet 2 is fixed to the fourth U-shaped joint support end 82 by means of a countersunk screw 14. The countersunk head screw 14 has a specification of M4.2 × 25 and a mounting pitch of 300 mm.
Preferably, the two horizontal support ends 91 are fixedly connected to the first soundproof fiber cement sheet 1 and the second soundproof fiber cement sheet 2 by means of countersunk screws 14, respectively.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and arrangements of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An inner double-cavity sound insulation wall assembly system with an S-shaped framework is characterized by comprising a first sound insulation fiber cement plate, a second sound insulation fiber cement plate, a sound insulation composite plate and a bidirectional keel, wherein a first sound insulation cavity is arranged between the first sound insulation fiber cement plate and the sound insulation composite plate, a second sound insulation cavity is arranged between the second sound insulation fiber cement plate and the sound insulation composite plate, the bidirectional keel is provided with a first U-shaped connecting and supporting end and a second U-shaped connecting and supporting end, a first clamping groove and a second clamping groove are arranged at the joint of the first U-shaped connecting and supporting end and the second U-shaped connecting and supporting end, the first U-shaped connecting and supporting end is arranged in the first sound insulation cavity and supports and connects the first sound insulation fiber cement plate, the second U-shaped connecting and supporting end is arranged in the second sound insulation cavity and supports and connects the second sound insulation fiber cement plate, one end of the sound insulation composite board is embedded into the first clamping groove or the second clamping groove and is fixed, and pipeline preformed holes are formed in the first U-shaped connecting and supporting end and the second U-shaped connecting and supporting end.
2. The assembly system for the inner double-cavity sound-insulation wall with the S-shaped framework as claimed in claim 1, further comprising a side keel, wherein the two ends of the first sound-insulation fiber cement board, the second sound-insulation fiber cement board and the sound-insulation composite board are respectively connected to the side keel, the side keel is provided with a third U-shaped connection supporting end and a fourth U-shaped connection supporting end, a third clamping groove is formed in the joint of the third U-shaped connection supporting end and the fourth U-shaped connection supporting end, the third U-shaped connection supporting end is arranged in the first sound-insulation cavity and is in support connection with the first sound-insulation fiber cement board, the fourth U-shaped connection supporting end is arranged in the second sound-insulation cavity and is in support connection with the second sound-insulation fiber cement board, and the end of the sound-insulation composite board is embedded into the third clamping groove to be fixed.
3. The assembly system of claim 1, further comprising a channel keel, wherein two ends of the first sound insulation fiber cement board, the second sound insulation fiber cement board and the sound insulation composite board are respectively connected to the channel keel, two ends of the channel keel are respectively bent to form horizontal support ends, and the two horizontal support ends are respectively connected to the first sound insulation fiber cement board and the second sound insulation fiber cement board.
4. The assembly system of claim 3, wherein at least one V-shaped groove is formed in the middle of the groove keel at intervals, a first sound insulation rubber strip is arranged in the V-shaped groove, and the groove keel is fixedly installed on a concrete floor slab through expansion bolts.
5. The S-frame inner dual cavity sound insulation wall assembly system as claimed in claim 4, wherein the first and second sound insulation fiber cement boards are sealed with a neutral silicone sealant at the end edges of the concrete floor slab in butt joint.
6. The system for assembling an inner double-cavity sound-insulating wall with an S-shaped framework as claimed in claim 2, wherein the end edges of the first sound-insulating fiber cement board and the second sound-insulating fiber cement board, which are butted with the concrete wall, are sealed by a neutral silicone sealant, and a second sound-insulating adhesive tape is arranged between the edge keel and the concrete wall.
7. The S-frame inner dual cavity sound-insulating wall assembly system as claimed in claim 1, wherein said first sound-insulating cavity and said first sound-insulating cavity are filled with soundproof cotton.
8. The assembly system of claim 1, wherein the first soundproof fiber cement sheet is fixed to the first U-shaped connecting and supporting end by a countersunk screw, the second soundproof fiber cement sheet is fixed to the second U-shaped connecting and supporting end by a countersunk screw, and the first U-shaped connecting and supporting end and the second U-shaped connecting and supporting end are both provided with a pipe preformed hole.
9. The system of claim 2, wherein the first soundproof fiber cement sheet is fixed to the third U-shaped connecting and supporting end by a countersunk screw, and the second soundproof fiber cement sheet is fixed to the fourth U-shaped connecting and supporting end by a countersunk screw.
10. The S-shaped frame inner double-cavity sound insulation wall assembling system as claimed in claim 3, wherein the two horizontal supporting ends are fixedly connected to the first sound insulation fiber cement plate and the second sound insulation fiber cement plate respectively through countersunk screws.
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| Application Number | Priority Date | Filing Date | Title |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117344893A (en) * | 2023-11-10 | 2024-01-05 | 杰森新材料有限公司 | Partition wall body and fixed knot constructs in assembled building |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117344893A (en) * | 2023-11-10 | 2024-01-05 | 杰森新材料有限公司 | Partition wall body and fixed knot constructs in assembled building |
| CN117344893B (en) * | 2023-11-10 | 2024-06-14 | 杰森新材料有限公司 | Partition wall body and fixed knot constructs in assembled building |
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